Electricity variables #7

enokandi · 2024-12-19T17:03:58Z

The yaml file containing newly defined electricity grid variables has been added.

electricity variables added

danielhuppmann

Here's an initial set of review comments for this PR.

definitions/variable/grids infrustructure/electricity_grid.yaml

danielhuppmann · 2025-01-08T13:21:54Z

definitions/variable/grids infrustructure/electricity_grid.yaml

+    unit: nF
+- Capacity|Electricity|Hydro|Pumped Storage:
+    description: Installed (available) capacity to generate electricity from hydropower pumped storage
+    unit: 'GW'


No quotation marks needed unless the unit (or any other attribute) starts with yaml-specific characters.

Suggested change

unit: 'GW'

unit: GW

definitions/variable/grids infrustructure/electricity_grid.yaml

danielhuppmann · 2025-01-08T13:24:27Z

fyi @JKNTNU

JKNTNU · 2025-01-08T13:28:23Z

[like] Jannis Kerl reacted to your message:

…

________________________________ From: Daniel Huppmann ***@***.***> Sent: Wednesday, January 8, 2025 1:24:50 PM To: iiasa/idesignres-workflow ***@***.***> Cc: Jannis Kerl ***@***.***>; Mention ***@***.***> Subject: Re: [iiasa/idesignres-workflow] Electricity variables (PR #7) fyi @JKNTNU<https://github.com/JKNTNU> — Reply to this email directly, view it on GitHub<#7 (comment)>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/BNB6JGX7QXS2HMXR3VQWRED2JURKFAVCNFSM6AAAAABT5NVQD2VHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZDKNZXGY3DKOBWGE>. You are receiving this because you were mentioned.Message ID: ***@***.***>

enokandi · 2025-01-09T10:53:54Z

Thanks, dear Daniel, for your comments.

Before updating my PR, I wanted to ask about the level of freedom we have in defining variables. For example, for generation unit types, we have more detailed data than what is currently reflected in the existing nomenclature. Taking gas-fired generation units as an example, the nomenclature currently provides only “Capacity|Electricity|Gas.” However, we need more specificity, such as “Capacity|Electricity|Gas|Combined Cycle” or “Capacity|Electricity|Gas|Steam Turbine.”

danielhuppmann · 2025-01-09T14:08:27Z

The newly added variables should be consistent with the variables in common-definitions, so specifically for your examples:

There are variables like "Capacity|Electricity|Gas", so adding "Capacity|Electricity|Gas|Combined Cycle" in this project repository makes sense.
There are variables like "Capital Cost|..." in common-definitions, so adding "Operational Cost|..." and "Fixed Cost|..." (or similar) makes sense.

Adding new variables. Correcting syntax errors.

enokandi · 2025-01-09T15:01:09Z

Thanks. I corrected the issues.
I used the 'Marginal Cost' since I believe it is more accurate than operational cost. However, if I have to use Operational Cost instead, please tell me.

danielhuppmann

Thanks! A few more suggestions plus an explanation for using tag-lists, which would make this file much readable and shorter.

definitions/variable/grids infrustructure/electricity_grid.yaml

danielhuppmann · 2025-01-10T10:01:10Z

definitions/variable/grids infrustructure/electricity_grid.yaml

+- Capacity|Electricity|Fossil|Gas Turbine:
+    description: Installed (available) capacity to generate electricity from fossil fuel gas turbines
+    unit: GW
+- Capacity|Electricity|Fossil|Combined Cycle:
+    description: Installed (available) capacity to generate electricity from fossil fuel combined cycle plants
+    unit: GW


Are these variables really necessary? A gas turbine will always be used with Natural Gas, not other Fossil Fuels... Also, it is confusing that the other types of gas power plants are not listed here. So better to remove.

Hi Again Daniel. Thank you for your comments. The point is that the gas turbine units do not use natural gas as the fuel necessarily. The term "gas" in a gas turbine refers to the working fluid used to drive the turbine, similar to how steam is used in steam turbines.

Fair enough (I meant that oil-based gas turbines are probably not really used any more, right?).

But that still doesn't mean that we need a part-aggregate "Fossil". After all, you could also run it with Hydrogen, which could or could not be from fossil sources...

OK. Sorry for the misunderstanding on my part.
However, in our dataset, we still have a considerable installed capacity of gas turbine units using various primary fuels, so I had to include all of them.

Regarding "Fossil," I used this term to classify the diesel generation units in my dataset because "Diesel" was not listed as a separate category in the common nomenclature.

danielhuppmann · 2025-01-10T10:04:48Z

definitions/variable/grids infrustructure/electricity_grid.yaml

+- Capacity|Electricity|Hydro|Run of River:
+    description: Installed (available) capacity to generate electricity from hydropower run-of-river plants
+    unit: GW
+- Capacity|Electricity|Solar|Thermal:


Is this really a thing?

Yes. These units utilize sunlight to heat fluids, generating steam to drive turbines and produce electricity. Spain, particularly, has a considerable installed capacity of this type.

Still, if you think adding a new technology like this might be challenging for the nomenclature used throughout the whole project, I can omit it and categorize those units simply as solar units.

Ok, is that the same as Concentrated Solar Power (CSP)? If yes, I suggest to use CSP to remain consistent with common-definitions.

There, we use "Final Energy|Solar" for thermal heat, but for water-heating, see here

danielhuppmann · 2025-01-10T10:09:23Z

definitions/variable/grids infrustructure/electricity_grid.yaml

+- Capacity|Electricity|Gas|Combined Cycle:
+    description: Installed (available) capacity to generate electricity from natural gas combined cycle plants
+    unit: GW
+- Capacity|Electricity|Gas|Gas Turbine:
+    description: Installed (available) capacity to generate electricity from natural gas gas turbines
+    unit: GW
+- Capacity|Electricity|Gas|Integrated Gasification Combined Cycle:
+    description: Installed (available) capacity to generate electricity from integrated gasification combined cycle plants
+    unit: GW
+- Capacity|Electricity|Gas|Steam Turbine:
+    description: Installed (available) capacity to generate electricity from natural gas steam turbines
+    unit: GW


You could simplify this file by using a tag-list, so creating a separate file tag_power_turbine_types.yaml (or similar) that has

- Turbine Type: - Combined Cycle: description: combined-cycle (CC) - Gas Turbine: description: gas turbines (GT) - Integrated Gasification Combined-Cycle: description: integrated gasification combined cycle plants (IGCC) - Steam Turbine: description: steam turbines

And then simplify this section

Suggested change

- Capacity|Electricity|Gas|Combined Cycle:

description: Installed (available) capacity to generate electricity from natural gas combined cycle plants

unit: GW

- Capacity|Electricity|Gas|Gas Turbine:

description: Installed (available) capacity to generate electricity from natural gas gas turbines

unit: GW

- Capacity|Electricity|Gas|Integrated Gasification Combined Cycle:

description: Installed (available) capacity to generate electricity from integrated gasification combined cycle plants

unit: GW

- Capacity|Electricity|Gas|Steam Turbine:

description: Installed (available) capacity to generate electricity from natural gas steam turbines

unit: GW

- Capacity|Electricity|Gas|{Turbine Type}:

description: Installed (available) capacity to generate electricity with natural gas

using {Turbine Type} plants

unit: GW

Same for all other variables that use all combinations of turbines.

This produces a much more concise and readable variable list file. The nomenclature package will automatically create all permutations during scenario validation.

Nice. I will do it.

It's done now.

Correcting the description of Active Power|Electricity|Demand [Share] Co-authored-by: Daniel Huppmann <[email protected]>

Correcting the unit of the Active Power|Electricity|Demand [Share] Co-authored-by: Daniel Huppmann <[email protected]>

…power_turbine_types.yaml

…iable name into CSP

enokandi added 2 commits December 19, 2024 17:42

electricity variables added

f830f71

Merge pull request #1 from enokandi/elec_variables

b6b7e44

electricity variables added

danielhuppmann reviewed Jan 8, 2025

View reviewed changes

Update electricity_grid.yaml

3d1b613

Adding new variables. Correcting syntax errors.

danielhuppmann requested changes Jan 10, 2025

View reviewed changes

enokandi and others added 4 commits January 10, 2025 12:21

Update definitions/variable/grids infrustructure/electricity_grid.yaml

c298bce

Correcting the description of Active Power|Electricity|Demand [Share] Co-authored-by: Daniel Huppmann <[email protected]>

Update definitions/variable/grids infrustructure/electricity_grid.yaml

a93a499

Correcting the unit of the Active Power|Electricity|Demand [Share] Co-authored-by: Daniel Huppmann <[email protected]>

creatin tags for generation units thechnology by adding the file tag_…

5a3374d

…power_turbine_types.yaml

updating the electricity_grid.yaml file by changing solar thermal var…

9d14369

…iable name into CSP

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Electricity variables #7

Electricity variables #7

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Electricity variables #7

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Electricity variables #7

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